package com.cai.controller;


import com.alibaba.dubbo.config.annotation.Reference;
import com.cai.constant.MessageConstant;
import com.cai.entity.Result;
import com.cai.service.MemberService;
import com.cai.service.ReportService;
import com.cai.service.SetmealService;
import com.cai.utils.DateUtils;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Test;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * 报表页面
 */
@RestController
@RequestMapping("/report")
public class ReportController {
    @Reference
    private MemberService memberService;
    @Reference
    private SetmealService setmealService;

    @Reference
    private ReportService reportService;
    @RequestMapping("/getMemberReport")
    public Result getMemberReport(){
        Map<String, Object>map=new HashMap<>();
        List<String>monthslist=new ArrayList<>();
        Calendar calendar = Calendar.getInstance();//获取一个当前日历
        calendar.add(Calendar.MONTH,-12);//获取当前日期的前12个月
        for (int i = 0; i <12 ; i++) {
            calendar.add(Calendar.MONTH,1);//逐次获取下一个月
            monthslist.add(new SimpleDateFormat("yyyy.MM").format(calendar.getTime()));
        }
        map.put("months",monthslist);
        List<Integer> counts = memberService.findMemberCountByMonth(monthslist);//根据月份获取会员数量
        map.put("memberCount",counts);
        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,map);
    }

  /*  @Test
    public void test01() throws Exception {
        Calendar calendar = Calendar.getInstance();//获取一个当前日历
        System.out.println(DateUtils.parseDate2String(calendar.getTime()));
        calendar.add(Calendar.MONTH,-12);//获取当前日期的前12个月
        List<String>list=new ArrayList<>();
        for (int i = 0; i <12 ; i++) {
            calendar.add(Calendar.MONTH,1);//逐次获取下一个月
            list.add(new SimpleDateFormat("yyyy.MM").format(calendar.getTime()));
        }
        System.out.println(list);
    }*/
   //获取套餐统计信息
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport(){
        Map<String, Object>map=new HashMap<>();
        try {
           /* List<String> list=new ArrayList();
            list.add("体检套餐");
            list.add("自由套餐");
            map.put("setmealNames",list);

            List<Map<String,Object>>mapList=new ArrayList<>();
            Map map1=new HashMap();
            map1.put("name","体检套餐");
            map1.put("value",500);
            Map map2=new HashMap();
            map2.put("name","自由套餐");
            map2.put("value",5000);
            mapList.add(map1);
            mapList.add(map2);
            map.put("setmealCount",mapList);*/
            List<Map<String,Object>>mapList=setmealService.findCountSetmeal();
            List<String> list=new ArrayList();
            for (Map<String, Object> stringObjectMap : mapList) {
               String names = (String) stringObjectMap.get("name");
               list.add(names);
            }
            map.put("setmealNames",list);
            map.put("setmealCount",mapList);
            return new Result(true,MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,map);
        }catch (Exception e){

            return new Result(false,MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }
    //运营数据统计
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){
        try {
            Map<String, Object> businessReport = reportService.getBusinessReport();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,businessReport);
        }catch (Exception e){

            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }
    //导出运营数据
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
        try{
            Map<String,Object> result = reportService.getBusinessReport();
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            String filePath = request.getSession().getServletContext().getRealPath("template")+ File.separator+"report_template.xlsx";
            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            //读取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }
            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载
            excel.write(out);

            out.flush();
            out.close();
            excel.close();
            return null;
        }catch (Exception e){
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }
}
